Home / 1,079,404.86-1,619,612.89-531,998.85

Finding the Fourth Proportional to 1,079,404.86, 1,619,612.89 and 531,998.85

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Solution

The fourth proportional to 1,079,404.86, 1,619,612.89 and 531,998.85 is: 798,247.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,404.86 : 1,619,612.89 = 531,998.85 : x
  2. Step 2: Convert to fraction form
    1,079,404.86/1,619,612.89 = 531,998.85/x
  3. Step 3: Cross multiply
    1,079,404.86x = 1,619,612.89 × 531,998.85
  4. Step 4: Simplify right side
    1,079,404.86x = 861,632,197,017.10
  5. Step 5: Solve for x
    x = 861,632,197,017.10/1,079,404.86
  6. Step 6: Final answer
    x = 798,247.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.